Alpha Halogenation of Enols and Enolates Practice Problems

In the previous post, we talked about the alpha halogenation of aldehydes and ketones and its application in organic synthesis. So, if you already went over this material, go ahead and work on these practice problems.

The second part involves material from previous chapters such as the carboxylic acid derivatives and some essential reactions of alkenes.

Practice

1.

Predict the product in each of the following reactions involving an alpha halogenation of an enol or enolate. Some examples include reactions from previous chapters.

 

 

a)
Answer

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b)
Answer

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c)
Answer

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d)
Answer

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e)
Answer

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f)
Answer

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2.

Propose reagents to achieve the following synthetic transformations. There is more then one step needed and there is at least one of doing through alpha halogenation of an enol or enolate.

 

 

a)
Answer

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b)
Answer

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c)
Answer

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d)
Answer

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e)
Answer

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f)
Answer

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